Features on a Quadratic Graph

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Does this graph have a maxima or minima?

• maxima

• minima

How many x-intercepts does this parabola have?

• 3

• 2

• 0

• 1

Define X-intercept

• The highest or lowest point on the graph

• Where the parabola touches or intersects the x-axis

• Where the parabola touches or intersects the y-axis

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

Define Y-intercept

• Where the parabola touches or intersects the x-axis, also called the x-intercept

• The lowest y-value on the graph

• The highest y-value on the graph

• Where the parabola touches or intersects the y-axis

Which function has an axis of symmetry of x = 0?

• 
• 
• 
• None of the above

If the vertex of a parabola is (2, −3), what is the axis of symmetry?

Does this graph have maximum or minimum value?

• maxima

• minima

• neither

• both

What is the domain and the range for the graph?

• Domain: All real #s

  Range : y ≤ 4

• Domain: All real #s

  Range : y ≤ 0

• Domain: All real #s Range : y > 4

• Domain: All real #s Range : y < 4

Determine the domain and range of the function

• Domain: All real numbers

  Range: All real numbers

• Domain: x ≥ -4

  Range: All real numbers

• Domain: All real numbers

  Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5

  Range: y ≥ -4